20220111197 has 24 divisors (see below), whose sum is σ = 23949192960. Its totient is φ = 16957908000.

The previous prime is 20220111173. The next prime is 20220111199. The reversal of 20220111197 is 79111102202.

It is not a de Polignac number, because 20220111197 - 2⁸ = 20220110941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220111199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4010204 + ... + 4015242.

It is an arithmetic number, because the mean of its divisors is an integer number (997883040).

Almost surely, 2^20220111197 is an apocalyptic number.

It is an amenable number.

20220111197 is a deficient number, since it is larger than the sum of its proper divisors (3729081763).

20220111197 is a wasteful number, since it uses less digits than its factorization.

20220111197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 20220111197 its reverse (79111102202), we get a palindrome (99331213399).

The spelling of 20220111197 in words is "twenty billion, two hundred twenty million, one hundred eleven thousand, one hundred ninety-seven".